72123753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 109992960

約数和(自身を除く): 37869207

約数列:

[1, 3, 13, 19, 39, 57, 131, 247, 393, 741, 743, 1703, 2229, 2489, 5109, 7467, 9659, 14117, 28977, 32357, 42351, 97071, 97333, 183521, 291999, 550563, 1265329, 1849327, 3795987, 5547981, 24041251, 72123753]

約数ペア:

[(1, 72123753), (3, 24041251), (13, 5547981), (19, 3795987), (39, 1849327), (57, 1265329), (131, 550563), (247, 291999), (393, 183521), (741, 97333), (743, 97071), (1703, 42351), (2229, 32357), (2489, 28977), (5109, 14117), (7467, 9659)]